Finding the Fourth Proportional to 49,813,882.66, 68,768,045.20 and 30,981,534.99
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Solution
The fourth proportional to 49,813,882.66, 68,768,045.20 and 30,981,534.99 is: 42,769,996.73
Step by Step Solution
- Step 1: Write the proportion equation
49,813,882.66 : 68,768,045.20 = 30,981,534.99 : x - Step 2: Convert to fraction form
49,813,882.66/68,768,045.20 = 30,981,534.99/x - Step 3: Cross multiply
49,813,882.66x = 68,768,045.20 × 30,981,534.99 - Step 4: Simplify right side
49,813,882.66x = 2,130,539,598,295,050 - Step 5: Solve for x
x = 2,130,539,598,295,050/49,813,882.66 - Step 6: Final answer
x = 42,769,996.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.